Demediuk, Simon
Current rating: 1479
Record: 4-6
| Grand Prix London 2019 (WAR sealed) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 26 | Wilson, David [AUS] (1502) | Won 2-1 | +181483 |
| C2sealed | 9 | Carvalho, Jose (1588) | Lost 0-2 | -161467 |
| C3sealed | 183 | Brown, Matt [ENG] (1872) | Won 2-1 | +251492 |
| C4sealed | 106 | Yaocheng, Mark (1786) | Lost 1-2 | -131479 |
| C5sealed | 164 | Diab, Kenan (1559) | Won 2-0 | +201499 |
| C6sealed | 81 | Mrklic, Zoran (1396) | Lost 0-2 | -201479 |
| average opponent: 1617record: 3-3 | new rating: 1479 | |||
| Grand Prix Melbourne 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 110 | Hardman, Ben (1448) | Won 2-0 | +171517 |
| 2sealed | 146 | Walton, Jack (1545) | Lost 1-2 | -171500 |
| 3sealed | 160 | Hortle, Linden (1555) | Lost 1-2 | -171483 |
| 4sealed | 225 | Gao, Frank (1480) | Lost 1-2 | -181465 |
| average opponent: 1507record: 1-3 | new rating: 1465 | |||